invention意思__

The invention of the telegraph in 1844 changed the shape of journalism（） It was _____the greatest invention I have ever heard.[ ] A computer is________ useful invention in________ world. A patent is an exclusive right to produce and sell an invention. The designer has applied for a ______ for his new invention. What did the invention of the World Wide Web lead to/（） The invention of spaceships makes ________ human beings to travel to the moon. He has () much time and energy for his invention. The history of fast food in America runs parallel to the invention of the car（） You can show your invention on （）at the Children's Palace   Q: Which invention does the man think changed the world most（） The invention of artificial hearts marked a turning point in the battle ________ heart disease.[ ] invented _________ television,_________ invention that would later completely change people’s life It is not always easy for thepublic to see _____ use a new invention can be of to human life e invention of the steamengine, the industrial revolution played a vital role in human history I believe his invention ______ of great importance to the industrial development of that country. ____________the invention of the steam engine，most forms of transport were horse—drawn． To protect his new invention,he took out a patent（ ）it.on It is not always easy for the public to see _______ benefit a new invention can be of to human life. It is not always easy for the public to see _______ use a new invention can be of to human life.